全屏展示js代码

全屏

<!DOCTYPE html>
<html>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style>
    .a {
        margin:0 auto;
        height:600px;
        width:700px;
    }
    .content {
        margin:0 auto;
        height:500px;
        width:700px;
        background:#900;
    }
</style>
<body>
    <div class="a">
        <button id="btn">js控制页面的全屏展示</button>
        <div class="content" id="content">
            <h1 id="h1">js控制页面的全屏展示和退出全屏显示</h1>
            <button id="btn" onclick="exitFull()">js控制页面的退出全屏显示</button>
        </div>
    </div>
</body>
<script type="text/javaScript">

document.getElementById("btn").onclick=function(){
    var elem = document.getElementById("content");
    var h1 = document.getElementById("h1");
    requestFullScreen(elem);// 某个页面元素
    // requestFullScreen(document.documentElement);// 整个网页
};

function requestFullScreen(element) {
    // 判断各种浏览器，找到正确的方法
    var requestMethod = element.requestFullScreen || //W3C
    element.webkitRequestFullScreen ||    //Chrome等
    element.mozRequestFullScreen || //FireFox
    element.msRequestFullScreen; //IE11
    if (requestMethod) {
        requestMethod.call(element);
    }else if (typeof window.ActiveXObject !== "undefined") {//for Internet Explorer
        var wscript = new ActiveXObject("WScript.Shell");
        if (wscript !== null) {
            wscript.SendKeys("{F11}");
        }
    }
}

//退出全屏 判断浏览器种类
function exitFull() {
    // 判断各种浏览器，找到正确的方法
    var exitMethod = document.exitFullscreen || //W3C
    document.mozCancelFullScreen ||    //Chrome等
    document.webkitExitFullscreen || //FireFox
    document.webkitExitFullscreen; //IE11
    if (exitMethod) {
        exitMethod.call(document);
    }else if (typeof window.ActiveXObject !== "undefined") {//for Internet Explorer
        var wscript = new ActiveXObject("WScript.Shell");
        if (wscript !== null) {
            wscript.SendKeys("{F11}");
        }
    }
}

</script>
</html>

全屏展示js代码

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